Light mag. 3.1 earthquake - 5.7 km west of Glyfada, Phocis, Central Greece, on Wednesday, 23 Dec 2020 5:43 pm (GMT +2) -
This quake was likely an aftershock of the 4.8 quake Phocis, Central Greece, 16 km east of Nafpaktos, Aitoloakarnania, Western Greece, 23 Dec 2020 4:58 pm (GMT +2), which had occurred 45 minutes earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Greece| Central Greece | Western Greece | Attica

Light magnitude 3.1 earthquake at 7 km depth
23 Dec 17:28 UTC: First to report: EMSC after 1 hour and 45 minutes.
23 Dec 17:31: Now using data updates from NOA
23 Dec 17:31: Now using data updates from NOA
Date & time: 23 Dec 2020 15:43:10 UTC -
Local time at epicenter: Wednesday, 23 Dec 2020 5:43 pm (GMT +2)
Magnitude: 3.1
Depth: 7.0 km
Epicenter latitude / longitude: 38.3958°N / 22.0143°E

Nearest volcano: Sousaki (107 km / 66 mi)
Nearby towns and cities:
6 km (4 mi) WNW of Glyfada (pop: 477) --> See nearby quakes!
16 km (10 mi) E of Nafpaktos (West Greece) (pop: 13,400) --> See nearby quakes!
17 km (11 mi) NNW of Aigio (West Greece) (pop: 20,400) --> See nearby quakes!
30 km (18 mi) NE of Patras (West Greece) (pop: 168,000) --> See nearby quakes!
35 km (22 mi) WSW of Amfissa (pop: 6,850) --> See nearby quakes!
36 km (22 mi) W of Itea (pop: 4,780) --> See nearby quakes!
36 km (22 mi) ESE of Thérmo (Thermo, West Greece) (pop: 1,960) --> See nearby quakes!
40 km (25 mi) NE of Vrachnaiika (West Greece) (pop: 2,570) --> See nearby quakes!
67 km (42 mi) SSW of Lamia (pop: 52,000) --> See nearby quakes!
157 km (97 mi) WNW of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Magnitude | Depth | Location | Source |
M 3.1 | 7 km | Greece | NOA |
M 3.1 | 7 km | GREECE | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 08 Nov 1905 22:06| 7.4 |15km / 9.3mi|115 years ago|188km / 117mi| Aegean Sea, 10.1 km E of Patitiri, Magnesia, Thessaly, Greece
- 06 Oct 1947 19:55| 7.3 |15km / 9.3mi|73 years ago|186km / 115mi| Ionian Sea, 27 km SE of Navarino, Messenia, Peloponnese, Greece
- 17 Jan 1983 12:41| 7.0 |14.3km / 8.9mi|38 years ago|161km / 100mi| Ionian Sea, 29 km SW of Argostoli, Greece
- 31 Mar 1965 09:47| 6.8 |75km / 47mi|56 years ago|34km / 21mi| Ionian Sea, 2.8 km SE of Galaxidi, Phocis, Central Greece
- 12 Aug 1953 09:23| 6.8 |10km / 6.2mi|68 years ago|97km / 60mi| Ionian Sea, 15 km E of Poros, Kefallonia Regional Unit, Ionian Islands, Greece
- 24 Feb 1981 20:53| 6.7 |33km / 21mi|40 years ago|83km / 51mi| Nomos Voiotias, Central Greece, 74 km W of Atene, Greece
- 15 Nov 1959 17:08| 6.7 |15km / 9.3mi|61 years ago|141km / 87mi| Ionian Sea, 7.3 km W of Anafonitria, Nomos Zakýnthou, Ionian Islands, Greece
- 30 Apr 1954 13:02| 6.7 |10km / 6.2mi|67 years ago|93km / 58mi| Nomos Kardhitsas, Thessaly, 9.8 km W of Neo Monastiri, Phthiotis, Central Greece
- 15 Jun 1995 00:15| 6.5 |14.2km / 8.8mi|26 years ago|23km / 15mi| Phocis, Central Greece, 51 km E of Patras, Achaea, Western Greece
- 17 Sep 1972 14:07| 6.5 |15km / 9.3mi|48 years ago|149km / 93mi| Ionian Sea, 26 km NW of Kefalonia Island, Greece
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